#include <iostream>

#include <string>

#include <vector>

using namespace std;

int main() {

long long int T, N;

cin >> T;

for (long long int t = 1; t <= T; t++) {

string justN, justEqual;

cin >> justN >> justEqual >> N;

long long int n = N * N;

int number;

vector<int> numbers;

bool flag = true;

while (n--) {

cin >> number;

numbers.push_back(number);

if (number < 0) {

flag = false;

}

}

if (flag) {

for (int i = 0; i < numbers.size(); i++) {

if (numbers[i] != numbers[numbers.size() - 1 - i]) {

cout << "Test #" << t << ": " << "Non-symmetric.\n";

break;

}

else if (i == numbers.size() - 1) {

cout << "Test #" << t << ": " << "Symmetric.\n";

}

}

}

else {

cout << "Test #" << t << ": " << "Non-symmetric.\n";

}

}

return 0;

}

int number;

vector<int> numbers;

int改成long

int number;

vector numbers;

int改成long

謝謝你！